wired alarm
51Passive infrared sensor — A Passive InfraRed sensor (PIR sensor) is an electronic device that measures infrared (IR) light radiating from objects in its field of view. PIR sensors are often used in the construction of PIR based motion detectors (see below). Apparent… …
52Northeast Blackout of 2003 — The Northeast Blackout of 2003 was a massive widespread power outage that occurred throughout parts of the Northeastern and Midwestern United States, and Ontario, Canada on Thursday, August 14, 2003, at approximately 4:15 pm EDT (20:15 UTC), with …
53TXE — TXE, which stands for Telephone eXchange Electronic, was the designation given to a family of telephone exchanges developed by the British General Post Office (GPO), now BT, designed to replace the ageing Strowger systems. When World War II ended …
54Signals intelligence in modern history — This article is a subset article of the article Signals intelligence, which addresses the unifying conceptual and technical factors and common technologies in this intelligence discipline. This article deals with signals intelligence in the… …
55Chevrolet Corvette (C3) — This article is about the third generation Chevrolet Corvette (C3). For general Corvette information, see Chevrolet Corvette. Chevrolet Corvette (C3) 1968 Chevrolet Corvette Convertible Manufacturer Chevrolet Division of …
56Daintree Networks (company) — Daintree Networks Type Private Industry Wireless Building Control Founded 2003 Headquarters …
57Northeast blackout of 2003 — States and provinces that experienced the blackout; not all areas within these political boundaries were affected. The Northeast blackout of 2003 was a widespread power outage that occurred throughout parts of the Northeastern and Midwestern… …
58Wildebeest — This article is about the animal. For other uses, see Wildebeest (disambiguation). Gnu redirects here. For other uses, see Gnu (disambiguation). Wildebeest Blue Wildebeest, Ngorongoro Crater, Tanzania …
59Our Lady of the Angels School Fire — The Our Lady of the Angels School Fire broke out shortly before classes were to be dismissed on December 1, 1958, at the foot of a stairway in the Our Lady of the Angels School in Chicago, Illinois. The elementary and middle school was operated… …
60Driverless car — The driverless car concept embraces an emerging family of highly automated cognitive and control technologies, ultimately aimed at a full taxi like experience for car users, but without a human driver.Driverless passenger programs include the 800 …
